Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwIzSLcN8H/jpoETt26FDlhEVaAz9u/F3p9Fg1PUmq5LYw/sQLVCTq/kncKc… (844 chars)"
  }
}